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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Enumerable#partition" do
it "returns two arrays, the first containing elements for which the block is true, the second containing the rest" do
EnumerableSpecs::Numerous.new.partition { |i| i % 2 == 0 }.should == [[2, 6, 4], [5, 3, 1]]
end
ruby_version_is "" ... "1.8.7" do
it "throws LocalJumpError if called without a block" do
lambda { EnumerableSpecs::Numerous.new.partition }.should raise_error(LocalJumpError)
end
end
ruby_version_is "1.8.7" do
it "returns an Enumerator if called without a block" do
EnumerableSpecs::Numerous.new.partition.should be_an_instance_of(enumerator_class)
end
end
it "gathers whole arrays as elements when each yields multiple" do
multi = EnumerableSpecs::YieldsMulti.new
multi.partition {|e| e == [3, 4, 5] }.should == [[[3, 4, 5]], [[1, 2], [6, 7, 8, 9]]]
end
end
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